
var AppRecCollectioin = Backbone.Collection.extend({
    fetch:function(appid){
        $.ajax({
            type:"POST",
            dataType:"json",
            data:{appid : appid},
            url:'json/appRec.json',
            success:function(res){
                appRecCollectioin.add(new Backbone.Model().set(res));
            }
        });
    }
});
var appRecCollectioin = new AppRecCollectioin;